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• AltCanvas: A Tile-Based Editor for Visual Content Creation with Generative AI for Blind or Visually Impaired People

  Seonghee Lee, Maho Kohga, Steve Landau, Sile O'Modhrain, Hari Subramonyam · 2024 · Proceedings of the 26th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents AltCanvas, a generative AI-powered illustration tool that enables blind or visually impaired (BVI) users to create visual content through a novel tile-based interface. The system addresses a fundamental gap between two existing approaches: accessible…

  visual impairment · generative AI · image creation · tactile graphics · sonification

• Multimodal 3D printed urban maps for blind people. Evaluations and scientific investigations

  Malgorzata Telesinska · 2023 · ASSETS 2023: The 25th International ACM SIGACCESS Conference on Computers and Accessibility

  This poster paper presents a multimodal 3D printed urban map prototype that embeds capacitive touch sensors directly into the map body to provide location-specific audio descriptions when touched. The research, conducted at Wroclaw University of Science and Technology in Poland,…

  tactile maps · 3D printing · blind and low vision · multimodal interaction · audio-tactile

• Route Descriptions, Spatial Knowledge and Spatial Representations of Blind and Partially Sighted People: Improved Design of Electronic Travel Aids

  Marion Hersh, Alasdair Ramirez Garcia · 2022 · ACM Transactions on Accessible Computing

  This paper presents a qualitative study investigating how blind and partially sighted people acquire spatial knowledge, form mental maps, and describe routes—with the goal of informing better design of electronic travel aids (ETAs). The researchers worked with nine participants…

  electronic travel aids · blind navigation · mental maps · orientation and mobility · wayfinding

• Visualizing Urban Accessibility: Investigating Multi-Stakeholder Perspectives through a Map-based Design Probe Study

  Manaswi Saha, Siddhant Patil, Emily Cho, Evie Yu-Yen Cheng, Chris Horng, Devanshi Chauhan, Rachel Kangas, Richard McGovern, Anthony Li, Jeffrey Heer, Jon E. Froehlich · 2022 · Proceedings of the 2022 CHI Conference on Human Factors in Computing Systems (CHI '22)

  A design-probe interview study investigating how different stakeholders make sense of urban accessibility data through map visualizations. The authors built 24 map-based probes across seven map types — point, severity-weighted point, grid, heatmap, choropleth, street, and…

  accessible maps · spatial cognition · data visualization · geovisualization · sensemaking

• Multi-touch Exploration and Sonification of Line Segments

  Dragan Ahmetovic, Cristian Bernareggi, Sergio Mascetti, Federico Pini · 2021 · Proceedings of the 18th International Web for All Conference (W4A)

  This paper presents SoundLines, a mobile app designed to help children with visual impairments develop spatial exploration skills through touchscreen interaction coupled with audio (sonification) feedback. The app is structured as a game where a kitten must be guided to find its…

  visual impairment · sonification · spatial cognition · mobile accessibility · tactile accessibility

• "If you've gone straight, now, you must turn left" - Exploring the use of a tangible interface in a collaborative treasure hunt for people with visual impairments

  Quentin Chibaudel, Wafa Johal, Bernard Oriola, Marc J-M Macé, Pierre Dillenbourg, Valérie Tartas, Christophe Jouffrais · 2020 · Proceedings of the 22nd International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2020)

  This paper from a collaboration between IRIT (Toulouse), UNSW Sydney, EPFL, and Université Toulouse investigates how tangible user interfaces — specifically a small graspable robot called the Cellulo — can mediate collaboration between two people with visual impairments in a…

  visual impairments · tangible user interface · collaborative learning · spatial cognition · wayfinding

• Use of an Indoor Navigation System by Sighted and Blind Travelers: Performance Similarities across Visual Status and Age

  Nicholas A. Giudice, Benjamin A. Guenther, Toni M. Kaplan, Shane M. Anderson, Robert J. Knuesel, Joseph F. Cioffi · 2020 · ACM Transactions on Accessible Computing

  This study evaluates an indoor navigation system using commercial iOS devices and Bluetooth beacons to guide blind and visually impaired (BVI) travelers through complex university buildings. The research compared two navigation conditions: a system-aided mode where participants…

  indoor navigation · blind and low vision · wayfinding · Bluetooth beacons · older adults

• X-Road: Virtual Reality Glasses for Orientation and Mobility Training of People with Visual Impairments

  Lauren Thevin, Carine Briant, Anke M. Brock · 2020 · ACM Transactions on Accessible Computing

  This paper presents X-Road, an affordable and accessible virtual reality system designed for Orientation and Mobility (O&M) training of students with visual impairments. O&M classes teach essential navigation skills like crossing streets, but real-world training poses risks from…

  virtual reality · orientation and mobility · visual impairment · spatial cognition · accessible VR

• GoDonnie: A Robot Programming Language to Improve Orientation and Mobility Skills in People Who are Visually Impaired

  Juliana Damasio Oliveira, Márcia de Borba Campos, Alexandre Amory, Rafael H. Bordini · 2019 · Proceedings of the 21st International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS 2019)

  This demonstration paper presents GoDonnie, a text-based programming language designed to help people who are visually impaired (PVI) develop both computational thinking and orientation and mobility (O&M) skills simultaneously. GoDonnie is based on Logo, the classic educational…

  orientation and mobility · visual impairment · programming education · robotics · screen readers

• Maritime Buoyage on 3D-Printed Tactile Maps

  Mathieu Simonnet, Serge Morvan, Dominique Marques, Olivier Ducruix, Arnaud Grancher, Sylvie Kerouedan · 2018 · Proceedings of the 20th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '18)

  This demonstration paper presents work from the Brest Bay Touch project to create 3D-printed maritime maps accessible to people with visual impairments, with a particular focus on representing sea marks (buoys, lighthouses, and other navigational aids) as tactile symbols. The…

  3D printing · tactile maps · visual impairment · spatial cognition · maritime accessibility

• Identifying Visual Cues to Improve Independent Indoor Navigation for Blind Individuals

  Cameron Tyler Cassidy · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This student research competition paper proposes a novel approach to indoor navigation for blind individuals that focuses on providing environmental awareness and a "sense of space" rather than traditional point-to-point directions. The author argues that most existing…

  indoor navigation · blindness · computer vision · eye tracking · wayfinding

• Virtual Navigation for Blind People: Building Sequential Representations of the Real-World

  João Guerreiro, Dragan Ahmetovic, Kris M. Kitani, Chieko Asakawa · 2017 · Proceedings of the 19th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '17)

  This paper investigates whether blind people can build accurate mental representations of real-world routes by virtually navigating them on a smartphone before physically visiting the location. Sighted people routinely study maps before visiting new places, building a sequential…

  blindness · navigation · cognitive mapping · virtual navigation · orientation and mobility

• Principles for Designing Large-Format Refreshable Haptic Graphics Using Touchscreen Devices: An Evaluation of Nonvisual Panning Methods

  Hari Prasath Palani, Nicholas A. Giudice · 2017 · ACM Transactions on Accessible Computing

  This paper addresses a fundamental challenge in touchscreen-based accessibility: how to provide non-visual access to large-format graphical materials like maps that exceed the device's screen size. While touchscreens represent the fastest-growing computing platform among people…

  tactile graphics · blindness · touchscreen accessibility · haptic feedback · spatial cognition

• Using Dynamic Audio Feedback to Support Peripersonal Reaching in Young Visually Impaired People

  Graham Wilson, Stephen A. Brewster · 2016 · Proceedings of the 18th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS '16)

  This paper investigates whether dynamic audio feedback — sound that changes based on the proximity between a reaching hand and target objects — can improve the accuracy of peripersonal reaching (reaching within arm's length) for blind and visually impaired young people.…

  blindness · visual impairment · sonification · spatial cognition · child development

• Eyes-free Exploration of Shapes with Invisible Puzzle

  Andrea Gerino, Lorenzo Picinali, Cristian Bernareggi, Sergio Mascetti · 2015 · ASSETS '15: Proceedings of the 17th International ACM SIGACCESS Conference on Computers & Accessibility

  This paper presents Invisible Puzzle Game, an iPhone application that uses sonification techniques to enable people who are blind or visually impaired to explore shapes on touchscreen devices. Image exploration is fundamental for developing visuospatial skills and STEM…

  sonification · blindness · visual impairment · touchscreen · image exploration

• Usability Issues with 3D User Interfaces for Adolescents with High Functioning Autism

  Chao Mei, Lee Mason, John Quarles · 2014 · ASSETS '14: Proceedings of the 16th International ACM SIGACCESS Conference on Computers & Accessibility

  This paper investigates how adolescents with high-functioning autism spectrum disorder (ASD) perform basic 3D user interface tasks compared to typically developed (TD) peers. While VR and 3D interfaces are increasingly used in ASD therapy (e.g., driving simulation, social skills…

  autism spectrum disorder · virtual reality · 3D user interfaces · spatial cognition · hand-eye coordination

• HapticRiaMaps: Towards Interactive Exploration of Web World Maps for the Visually Impaired

  Nikolaos Kaklanis, Konstantinos Votis, Panagiotis Moschonas, Dimitrios Tzovaras · 2011 · Proceedings of the International Cross-Disciplinary Conference on Web Accessibility (W4A)

  This paper presents HapticRiaMaps, a free open-source web application from the Centre for Research and Technology-Hellas (CERTH) in Greece that makes online 2D maps accessible to visually impaired users through haptic force feedback and audio sonification. The system retrieves…

  blind and low vision · haptic technology · accessible maps · sonification · multimodal interaction

• Supporting Spatial Awareness and Independent Wayfinding for Pedestrians with Visual Impairments

  Rayoung Yang, Sangmi Park, Sonali R. Mishra, Zhenan Hong, Clint Newsom, Hyeon Joo, Erik Hofer, Mark W. Newman · 2011 · The Proceedings of the 13th International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS)

  This paper presents Talking Points 3 (TP3), a location- and orientation-aware smartphone system designed to increase the "legibility" of indoor environments for pedestrians with visual impairments, fostering spatial awareness rather than simply providing turn-by-turn directions.…

  blindness and low vision · wayfinding · indoor navigation · spatial cognition · mobile accessibility

• Usability of a Multimodal Video Game to Improve Navigation Skills for Blind Children

  Jaime Sánchez, Mauricio Saenz, Jose Miguel Garrido · 2010 · ACM Transactions on Accessible Computing

  This paper presents an evaluative study of a multimodal system combining a custom haptic device (Digital Clock Carpet) with a 3D audio-based video game (MOVA3D) to develop orientation and mobility (O&M) skills in blind school-aged children. The Digital Clock Carpet is a low-cost…

  blindness · orientation and mobility · haptic interface · audio games · spatial cognition

• Design and Implementation of Virtual Environments for Training of the Visually Impaired

  D. Tzovaras, G. Nikolakis, G. Fergadis, S. Malasiotis, M. Stavrakis · 2002 · Proceedings of the Fifth International ACM Conference on Assistive Technologies (Assets '02)

  This paper from the Informatics and Telematics Institute in Greece presents the ENORASI project, an EU-funded initiative to develop a haptic virtual reality training system for blind and visually impaired people. The system uses a CyberGrasp haptic glove — an exoskeletal device…

  haptic technology · virtual reality · blindness and low vision · training · orientation and mobility

• Constructive Exploration of Spatial Information by Blind Users

  Jochen Schneider, Thomas Strothotte · 2000 · Proceedings of the Fourth International ACM Conference on Assistive Technologies (Assets '00)

  This paper from the University of Magdeburg introduces "constructive exploration," a novel approach to helping blind people learn spatial layouts by actively building physical representations of routes and areas using building blocks, guided by an interactive computer system.…

  blind users · spatial cognition · tactile maps · haptic interface · force feedback

• TDraw: A Computer-Based Tactile Drawing Tool for Blind People

  Martin Kurze · 1996 · Proceedings of the Second Annual ACM Conference on Assistive Technologies (Assets '96)

  This paper from Freie Universität Berlin presents TDraw, a computer-based system that enables blind people to create tactile drawings and, equally importantly, allows researchers to study how blind people draw. The paper begins with a theoretical analysis of how blind and…

  blindness and low vision · tactile graphics · tactile drawing · mental model · spatial cognition

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